artifact

出土品、遺物

昔の人が作った物。地面を掘って見つかることが多い。

やさしい英語で： An object made by people long ago, often found by digging in the ground.

• The museum displays ancient artifacts.
• They found a bronze artifact near the old wall.
• These artifacts tell us how people cooked thousands of years ago.

類義語： relic

よく使う表現： ancient artifact, roman artifact, historical artifact

人工物

自然にできたものではなく、人が作ったり手を加えたりした物。

やさしい英語で： An object that people have made or changed, rather than something formed by nature.

• A plastic spoon is a human artifact.
• The collection includes artifacts made from recycled metal.
• Every artifact reflects choices made by its creator.

類義語： human-made object

よく使う表現： human artifact, modern artifact, cultural artifact

アーチファクト

調べている物ではなく、検査の方法が原因で現れる結果や現象。

やさしい英語で： Something seen in a test that comes from the testing process rather than the thing being studied.

• The bright spot was an artifact.
• A damaged lens produced artifacts in the measurements.
• Researchers checked whether the result was an artifact of their equipment.

使い方： artifact of something (The apparent growth was an artifact of the measuring method.)

よく使う表現： experimental artifact, artifact of something, measurement artifact

アーティファクト、歪み

画像や映像、録音の処理によって生じる、不要な模様や音、乱れ。

やさしい英語で： An unwanted mark, sound, or change caused by the way an image, video, or recording is processed.

• The image has visible artifacts.
• Heavy compression introduced artifacts into the video.
• We removed the audio artifacts before releasing the recording.

類義語： distortion

よく使う表現： compression artifact, visual artifact, audio artifact